Gimlet



V. T. JULIN. GIMLET FILED NOV. f4. 1921.

Jan. 9, 1923.

llllatented dan.. d,

"t i im nl r lll lai .application led November 14,1921. Flerial lilo.514,996.

To all whom it may] concern:

llc it known that l, Vieron 'lnonoa Junin, citizen of Sweden,residing-at Djursholms l'anderyd, Sweden, have invented certain new anduseful improvements in Giinletst'lor which l have tiled application inSweden April 5th, i919, No. 1566/1919, and in Germany June 7th, 192i.,No. d. 21h30/i580), oi which theV `following1 is specification.

ln ordinary gimlets hitherto in'use, the handle is rigidly connectedwith the spindle, and after having been turned about i800 the handlemust be released and thereafter grasped again. @n the contrary thespindle ot the present invention is movably journaled in the handle, anda coupling for movingthe spindle to the right and to the lett isprovided in the handle, which enables the gimlet to be driven lorwardsandbaclrwards by turning the handle to and iro without releasing` saidhandle. rlihe present giinlet is especially favourable in cases, whenthe workman has only one hand free to manip nlate it, while his other.hand must be used tor holding himself, say, to a telegraph post.Further this gimlet does not tire the hand and brachial muscles.

@n the accompanying drawing Fig. i is a vertical section of the gimlet,Fig. 2 isa plan olf the gimlet, showing the upper hal'l oi the hollowhandle removed, and Fig. 3 is a detail on a larger scale.

rllhe spindle a is loosely mounted and axially slidable in the hollowhandle, which is made in two parts F) and c. Vlliti'iin the handle adouble coupling is mounted having a pawl d or movement to the right anda pawl c 'lor movement to the lett ot the spindle, each of said pawlsengaging a; ratchet wheel g on the spindle, when a pressure or a pull isapplied on the gimlet.

A. cylinder f on the upper end ott the spindle a serves as a coupling,having a length ot about three times the width of the pawls, and on themiddle part o'f said cylinder j the ratchet wheel g is formed. Springarms 71, and press the pawls d and c 'towards the cylinder f. il. cteelwire c may serve as spring, said wire bearing with its middle part onthe wall ot the handle, and being secured in notches Z in the hubs otthe pawls.

To prevent the pawl which is not in engae'einent with the ratchet,'troni engaging it, the ratchet wheel is made of cmisiderablyT lesswidth than the vertical distance between the pawls. rfhus, before it canmove into engagement with one pawl, it must move out or engagement withine other.

The pawls Z and c are mounted on bolts m and n, riveted to the lowerpart l) oi the handle, and screws 0 and p in 'the upper partc ot thehandle secnre said upper portion in place.

The gimlet works in the following inanner. l/Vhen pressing axially uponthe handle the uppeil part oi said handle will abut againsttlie upperend ol the bore spindle, whereby the coupling cylinder f taires such aposition in relation to the pawls, that the pawl d will engage theratchet wheel g, whereas the pawl e slides over the even part et thecylinder' j?. When the gimlet is turned bach the lower part oi thehandle will be drawn towards the coupling` cylinder, whereby the pawl cwill engage the ratchet wheel g whereas the pawl d slides over thecylinder f. lll hen manipulating the gimlet the handle need not to bereleased.

llhe invention is also applicable to cork screws.

Having now particularly described my invention and set forth the mannerin which it may be perliorined what ll claim is l. lll. gimletcomprising a sectional handle havi upper and lower parts, means Yforseparately connecting said parts, a spindle extending into said handleand both slidably and rotatably mounted within said lower part, drivingpawls pivotally mounted within said handle, and a ratchet carried bysaid spindle and adapted when the spindle is in the retracted position,to be engaged by one of said pawls to drive said spindle, while alsobeing adapted, when the spindle is in the projected position, to beengaged and driven by the other pawl, to reverse the spindle.

2. il gimlet comprising a sectional handle having upper and lower parts,means i'or separably connecting' said parts, a spindle extending intosaid handle and both slidabl37 and rotatably mounted within said lowerpart, driving pawls pivotally mounted with-- in said handle, a ratchetcarried by `said spindle and adapted when the spindle is in theretracted position, to be engaged by one oli said pawls to drive saidspindle, while also being adapted when the spindle is in the projectedposition, to be engaged and driven by the other pawl, the disengagedpawl, in each instance running liree on said spindle.

3. A gimlet comprising a sectional handle having upper and lower parte,ineens for separe-bly connecting; said parte, aA Spindle eXtenclinO'into said handle and both rotata-A vneonntedni Saud lower part,

bly and slidably driving pziwle pivotally mounted Witliiirsaid handle, aratchet carried by seid spindle and and. actuating Senlpziwls'tofoperative poSitionfl lmvinq" uoler and Vlower e r l parte, means forSeparehly Connecting Said parte,A a spindle extenclii'ig yinto saidhandle and bothlrot-at-y gimlet Comprising, a` sectional handle- Megesozihlv incl slitlzihly .mounted in one` of enifl parte5 clrhf'ing pnwlemounted within seid handle: one ot seid pnwls hein;ronSidei-:ihlj nearerthe, hotioin ot the lower part than th(` other, and zz ratchet Carriedhy seid Spindle and adapted when the spindle is in the 1'0- trzletedpositioin to he engaged h y thaty peril nfliichfisenmti distant 'fromthe bottoni ofthe lower part, while also heine adapted. when the Spindleis intheprojet-teil position to heengzi-getl :mtl driven 'hj'a theqrzwlnearest the bott-0in otlie lowerl partyl in reversing, Iii-tent oni* \\lfreut', l have signed mjc naine tothifs sponieation inthe twosnhserihing-witneese.

VIGTOllf TRODOP" JU LTN. lVitnesses .Vnnxm 'Ennisom L YLIAN Biene WNLmcruc.

preseiiwe o i" LVI

